The life expectancy of people going to Mars may be decreased by the higher level of radiation that they receive.

Mars is the symbolic and totally stimulating next objective that could so dominate the next century's exploration efforts. From Mars, the resources of all the asteroids will become readily available.

We can't start over and develop a Saturn 5-type vehicle from scratch.

I'm sure that there are places in the deserts in Australia that could be similar to where we might want to go on Mars.

Weve got to go [back to the moon]. But we dont want to stay too long. ... The ultimate goal is Mars.

During the divorce process, I lived alone and tended to get extremely down on myself.

I would rather people understand that there is a very, very fortunate American who was given the opportunity, and was in the right place at the right time to have the moment of a lifetime. My mother was born - her name was Marianne Moon. And she was born in 1903, the year that the Wright Brothers first flew.